. >> an exciting high-energy lifestyle from the gym he owned to the film circles he ran in. garrett warren had no shortage of adventures. but investigators received a tip suggesting that garrett also had enemies. >> the sheriff's station received ana anonymous letter just kind of advising there was some people involved at the gym that garrett was having some kind of relationship with, people that might be of interest to detectives that they might want to question these people. >> detectives checked out every name that came up. they followed up on every lead. but they hit a dead end at every turn. >> depressing? >> very depressing. sometimes you just need that one break. you need a phone call that somebody wants to really give up some information, give us another road to go down, give us another adventure to try. >> it took almost two years before that break arrived. that's when police in another county searching a car for drugs instead found a note and a photo that would make clear just what kind of danger garrett warren was facing. >>> coming up, was garrett warren's would-